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How comman is it to bust exhaust manifold bolts.

Discussion in 'The Garage' started by Z3PR, Jul 17, 2003.

  1. Z3PR

    Z3PR Banned

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    Okay, My 1976 K5 has the original exhaust manifolds on it. I doubt if they've ever been off. I plan on installing some Thorley Tri-Y's befor winter. I was told that I'll break the bolts. I've never had one break off yet, but is this a comman problem ??? Would I be better off paying a shop to do the work ??? I'd kinda feel bought not built if I did. /forums/images/graemlins/eek.gif
     
  2. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    Re: How common is it to bust exhaust manifold bolts.

    spray them down with some good penetrating oil first because yes they are easy to break off /forums/images/graemlins/eek.gif
     
  3. 84K5cedric

    84K5cedric 1/2 ton status

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    spray them down every night when you get home and let them sit overnight. do this for a week before you get started.
     
  4. Don

    Don 1/2 ton status

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    It's as common as tying shoe lace's, age, time, rust, heat, weaken them. /forums/images/graemlins/eek.gif /forums/images/graemlins/eek.gif
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    I agree about soaking them constantly with stuff, but also try removing them with the engine hot.

    Amazing how well that works sometimes.
     
  6. TONYP

    TONYP 1/2 ton status

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    what are you guys talking about...take it into a muffler shop and let them dick with it...be the best $150.00 you ever spent if you have never had them off. Then sit in their lobby and drink a cold one while the poor bastard who gets your truck to work on has a long talk with god! /forums/images/graemlins/thumb.gif
     
  7. mudhog

    mudhog THEGAME Staff Member Super Moderator

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    Re: How common is it to bust exhaust manifold bolts.

    [ QUOTE ]
    Then sit in their lobby and drink a cold one while the poor bastard who gets your truck to work on has a long talk with god!

    [/ QUOTE ]
    /forums/images/graemlins/rotfl.gif /forums/images/graemlins/rotfl.gif /forums/images/graemlins/rotfl.gif /forums/images/graemlins/rotfl.gif i just don't trust anyone to work on my vehicles /forums/images/graemlins/eek.gif
     
  8. 84K5cedric

    84K5cedric 1/2 ton status

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    sorry, I have no faith in the schmoe's at any local garage. I'll take the money I would have spent in labor and put it in the D60 fund.
     
  9. white-rhyno

    white-rhyno 1/2 ton status

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    See, at our shop if we break a bolt its our problem. Not the customers. They dont pay any extra labor for the time we have to spend taking out the broken bolts. So going to a shop is not a bad idea. Unless they dont have a flat rate for headders.
     
  10. BowtieRed

    BowtieRed 1/2 ton status Author

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    tell them you just want the first half of the job done. . . /forums/images/graemlins/grin.gif


    OHH!! and when you remove them, if they are tight at first, and when you pull they don't move, SLOWLY add pressure, don't jerk the ratchet. AND DO NO USE AN IMPACT WRENCH. . . like it would fit in there anyway. . .
     
  11. fortcollinsram

    fortcollinsram 1/2 ton status

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    When I bought my 454, I broke off 5 exh. mannie bolts taking the old ones off....and that was a 1992 motor /forums/images/graemlins/shocked.gif I just waited till I had the heads off to drill them and use an easy out...

    Chris
     
  12. dyeager535

    dyeager535 1 ton status Premium Member

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    [ QUOTE ]
    OHH!! and when you remove them, if they are tight at first, and when you pull they don't move, SLOWLY add pressure, don't jerk the ratchet.

    [/ QUOTE ]

    Why do impact guns work so well? (yes they put out a lot of force, they also don't just twist the fastener, it "hammers" it.)

    This is personal opinion, but the BEST course of action with a stuck bolt/nut is USUALLY to sharply rap the ratchet with a hammer to break it free of any corrosion. Just a hard enough hit to move it a slight amount. Not enough to snap the bolt.
     
  13. BowtieRed

    BowtieRed 1/2 ton status Author

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    that may be so, but when we removed those off my friend's 83 k10 the two we broke we broke by 'impact' loosening... the others we slowly added force till we fet like it was going to break, then let of and added force, apparently this broke up the rust slowly and after the frist two none broke. that's just personal experience, it's entirely possible that's a coincidence. if i had to guess, i'd say you are probably right, you are more experiencedthat i, so, to whoever asked the question initially (i forget /forums/images/graemlins/rotfl.gif ) listen to him.
     

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